Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
hoc chieu » hoc thieu, ho chieu, hoc hien
manh hung » anh huong
cua khong » hua khong, cua phuong, cua thuong
cong manh » cong danh, duong manh, hoang manh
cua tong » cua cong, cua dong, cua nong
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - manh hung ((cua tong) or (cua khong)) ((cong manh) OR (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - manh hung ((cua tong) OR (cua khong)) ((cong manh) OR (cong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - manh hung ((cua tong) or (cua khong)) ((cong manh) OR (cong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - manh hung ((cua tong) or (cua khong)) ((cong manh) OR (cong thanh)) toan cau*.